52216630 has 32 divisors (see below), whose sum is σ = 96013440. Its totient is φ = 20442240.

The previous prime is 52216609. The next prime is 52216631. The reversal of 52216630 is 3661225.

52216630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52216595 and 52216604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52216631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123820 + ... + 124240.

It is an arithmetic number, because the mean of its divisors is an integer number (3000420).

Almost surely, 2^52216630 is an apocalyptic number.

52216630 is a deficient number, since it is larger than the sum of its proper divisors (43796810).

52216630 is a wasteful number, since it uses less digits than its factorization.

52216630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 52216630 is about 7226.1075275697. The cubic root of 52216630 is about 373.7687141780.

Adding to 52216630 its reverse (3661225), we get a palindrome (55877855).

The spelling of 52216630 in words is "fifty-two million, two hundred sixteen thousand, six hundred thirty".